Fits wrists 6″1/2 to 9 1/4″. Width 11/4″. 1/2 lb each band. These fun bracelet weights are perfect for extended wear. Ideal for exercises with faster arm movements and many repetitions. Great for dance, piloxing, bootcamps, barre, in home exercise, tabata, and aqua classes. The fitness accessory for walking and running. Perfect to wear throughout the day for extra arm toning and calorie burning.